talking-head-video

Turn a raw 口播 / talking-head selfie video plus its script into a finished vertical explainer — synced burned-in subtitles, animated knowledge graphics (charts, data cards, comparisons, flow diagrams, big-number reveals), and a circular picture-in-picture avatar that shrinks the speaker to the top-left while a graphic fills the screen during explanations. THE pipeline whenever someone has a clip of a person talking to camera and wants it "剪成成片", subtitles auto-added from a 逐字稿/脚本, the 画面 to "切成图/弹图表/做大数字特效" on key points while the "人脸/人头缩小、放到角落、变成圆形头像/画中画/小圈圈", or Remotion/ffmpeg 动态讲解图 cut into a 口播/讲解/知识科普短视频 for 视频号/抖音/ Shorts. Partial asks count: "帮我剪口播", "自动加字幕配动态图", "源视频和脚本 都有帮我合成成片". NOT for: writing a 口播脚本 (no video), a 数字人/AI 主播 reading a script, pure motion-graphics with no real person, horizontal multi-cam cutting, PPT→video, video compression, audio→text transcription, or subtitling an unrelated movie clip.